Paper stacker

Details Paper stacker Paper stacker

B - Operations, Transporting

65

H

270/53

B65H 29/00 (2006.01) B65H 9/10 (2006.01) B65H 31/10 (2006.01) B65H 31/18 (2006.01) B65H 33/08 (2006.01)

Patent

CA 1217212

ABSTRACT OF THE DISCLOSURE The invention provides a sheet stacker for receiving paper from a printer, copier and the like. The stacker includes a base, and an elevator mechanism contained in the base. A hopper sits on the base and includes a floor moveable within the hopper and supported by the elevator mechanism. As paper enters the hopper a sensor is used in conjunction with activator means to maintain the floor of the hopper at a level to ensure that each sheet slides essentially horizontally onto the stack to avoid curling of the sheet on the stack. The stacker also includes a paper positioning device above the stacker and operable by the control means to engage selected sheets as they enter the stacker. This engagement deflects the sheets to one side so that these sheets are staggered with respect to the other sheets in the pile for ease of identification in the finished pile.

442377

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